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经营范围
发明名称
Door buffer
摘要
申请公布号
US2739341(A)
申请公布日期
1956.03.27
申请号
US19530340219
申请日期
1953.03.04
申请人
MALCOLM FRANCIS E
发明人
MALCOLM FRANCIS E.
分类号
E05F5/06
主分类号
E05F5/06
代理机构
代理人
主权项
地址
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